English
duration
Duration comes from Medieval Latin dūrātiō, from Latin dūrō ‘to harden, make hard’, and ultimately from Proto-Indo-European *dweh₂- ‘long, distant’.
- Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂-1‘long, distant’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂rós1‘long’reconstructed
- Proto-Italicc. 1500–700 BCE*dūros1reconstructed
- Latinc. 75 BCE–200 CEdūrus1‘hard’
- Latinc. 75 BCE–200 CEdūrō2‘to harden, make hard’
- Medieval Latinc. 600–1500dūrātiō3
- Old Frenchc. 842–1400duracion3
- Middle Englishc. 1150–1500duracioun3
- Englishearliest quotation 2022duration3
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Latin duro
- 2 Wiktionary, Latin duratio
- 3 Wiktionary, English duration
- Earliest quotation in Wiktionary’s entry: 2022, Paul Bigland, From rural branches to high-speed arteries: “To make matters worse, we pass through a torrential…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂-Wiktionary, Latin duro‘long, distant’reconstructed
- Proto-Indo-Europeanc. 4500–2500 BCE*dweh₂rósWiktionary, Latin duro‘long’reconstructed
- Proto-Italicc. 1500–700 BCE*dūrosWiktionary, Latin duroreconstructed
- Latinc. 75 BCE–200 CEdūrusWiktionary, Latin duro‘hard’
- Latinc. 75 BCE–200 CEdūrōWiktionary, Latin duratio‘to harden, make hard’
- Medieval Latinc. 600–1500dūrātiōWiktionary, English duration
- Old Frenchc. 842–1400duracionWiktionary, English duration
- Middle Englishc. 1150–1500duraciounWiktionary, English duration
- Englishearliest quotation 2022durationWiktionary, English duration. Earliest quotation in Wiktionary’s entry: 2022, Paul Bigland, From rural branches to high-speed arteries: “To make matters worse, we pass through a torrential…”
Linked words
through Latin dūrus ‘hard’
durability, duress, dour, dur, durum, 12 more
through Latin dūrō ‘to harden, make hard’
Today it means
noun An amount of time or a particular time interval.
Sources
Sources: Wiktionary, “duration”; the older steps come from the Wiktionary entries for Latin duro, Latin duratio. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *dweh₂- / duration